Nachyn Sergeyevich Kuular (Russian: Начын Сергеевич Куулар, Tuvan: Начын Сергей оглу Куулар; born 9 June 1995) is a Russian breakdancer[2] and freestyle wrestler who represents Kazakhstan on the international circuit.

He is four-times champion at Tuva regional freestyle wrestling championships.

[4] In 2015, Kuular won the Junior European championships at 60 kilos, in the final match beating Selim Kozan of Turkey by technical superiority (13–2).

[7] At the Golden Grand Prix Ivan Yarygin 2018 he won the bronze medal with 4–1 record at 65 kilos.

A fan of Xöömej (Tuvin national songs) and hip-hop music.